Patio door sill



FIG. 1 is a perspective view showing our new design;

FIG. 2 is a left end elevational view thereof;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a front elevational view thereof;

FIG. 8 is a perspective view of a second embodiment thereof;

FIG. 9 is a left end elevational view thereof;

FIG. 10 is a right end elevational view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom plan view thereof;

FIG. 13 is a rear elevational view thereof; and,

FIG. 14 is a front elevational view thereof.

The patio door jamb is broken in the center to indicate indefinite length. 

The ornamental design for a patio door sill, as shown and described. 